NRXT8013DDC8P5 N series crossed roller bearings for the rotating joints of robots-THB Bearings THB N series Crossed Roller Bearings are thin-wall bearings consisting of an inner ring, a two-part outer ring, cylindrical rollers, and separators. The rollers are oriented at right angles to each other and kept apart by separators. This kind of N series Crossed Roller Bearings can sustain axial loa